build: simplify requirements documents

Jenkinsfile

@@ -1176,7 +1176,7 @@ pipeline {
                                                         nsis: params.PACKAGE_WINDOWS_STANDALONE_NSIS,
                                                         zipFile: params.PACKAGE_WINDOWS_STANDALONE_ZIP,
                                                     ],
-                                                    vendoredPythonRequirementsFile: 'requirements-freeze.txt',
+                                                    vendoredPythonRequirementsFile: 'requirements-gui.txt',
                                                     buildDir: 'build\\cmake_build',
                                                     venvPath: "${WORKSPACE}\\build\\standalone_venv",
                                                     package: [

ci/docker/windows_standalone/Dockerfile

@@ -110,10 +110,10 @@ RUN Install-PackageProvider -Name NuGet -MinimumVersion 2.8.5.208 -Force ;`
 ARG PIP_EXTRA_INDEX_URL
 ARG PIP_INDEX_URL
 ADD requirements.txt requirements-dev.txt c:\temp\
-RUN python -m pip install --upgrade pip ; `
-    pip install wheel ; `
-    pip install --upgrade setuptools ;`
-    pip install -r c:\temp\requirements-dev.txt
+RUN python -m pip install --no-cache-dir --upgrade pip ; `
+    pip install --no-cache-dir wheel ; `
+    pip install --no-cache-dir --upgrade setuptools ;`
+    pip install --no-cache-dir -r c:\temp\requirements-dev.txt
 
 ENV PIP_FIND_LINKS=c:\wheels\
 COPY ci/docker/windows_standalone/build_standalone.ps1 c:/scripts/build_standalone.ps1